Wall charger



FIG. 1 is a front perspective view showing of a wall charger;

FIG. 2 is a rear perspective view showing of the wall charger;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is a perspective view of the wall charger in use state.

The broken lines depict portions of the wall charger that form no part of the claimed design. 

CLAIM The ornamental design for a wall charger, as shown and described. 